possessing better stability. Double Notch Design: Adopt the double U-shaped notch design and have powerful locking force, which effectively enhance the manipulability of different devices. Can quickly switch between vertical and horizontal . Panoramic Photography: The disc-shaped base can achieve panning movement with calibrated precision for panoramic . One large locking knob can control the tilting angle of , another small locking knob for adjustment of panoramic base. S & -skid System: Its quick release plate comes with 2pcs -skid nails to your camera from accidentally dropping. Wide Compatibility: Max. load acity is up to 10kg / 22Lbs. With 1/4 inch screw on , suitable for most DSLR, ILDC cameras. With 3/8 inch screw hole and 1/4 inch to 3/8 inch convertible screw, the ball head can be mounted on almost any tripod, monopod and other photography devices with 1/4 inch or 3/8 inch screw mount. Material: Mainly made of aluminum alloy, very solid and durable. Adopt the most advanced CNC manufacturing process, surface finishing and anodizing techniques, which make the ball head very easy and smooth in operation. Portable: Mini and weight, height only 65mm, net weight only 180g, convenient for carry. Specifications: Brand: Model: D-25C Material: Aluminum alloy Color: Black Max. Load acity: 10kg / 22Lbs Screw Mount for Camera: 1/4 inch Screw Hole: 1/4 inch & 3/8 inch Quick Release Plate Size: 44 * 38mm (L * W) Ball Diameter: 25mm Base Diameter: 37mm Ball Head Height: 65mm Item Weight: 186g / 6.6oz Package Size: 8.7 * 8.2 * 5.7cm / 3.4 * 3.2 * 2.2in Package Weight: 197g / 6.9oz Package List: 1 * D-25C Ball Head Note: Only the ballhead is included.